Full quadrature regeneration of QPSK signals using sequential phase sensitive amplification and parametric saturation

被引：26
|
作者：
Bottrill, K. R. H. [1 ]
Hesketh, G. [1 ]
Jones, L. [1 ]
Parmigiani, F. [1 ]
Richardson, D. J. [1 ]
Petropoulos, P. [1 ]
机构：
[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
来源：
OPTICS EXPRESS | 2017年 / 25卷 / 02期
基金：
英国工程与自然科学研究理事会;
关键词：
OPTICAL-PHASE; AMPLITUDE;
D O I：
10.1364/OE.25.000696
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate all-optical regeneration of both the phase and the amplitude of a 10 GBaud quadrature phase shift keying (QPSK) signal using two nonlinear stages. First we regenerate the phase using a wavelength converting phase sensitive amplifier and then we regenerate the amplitude using a saturated single-pump parametric amplifier, returning the signal to its original wavelength at the same time. We exploit the conjugating nature of the two processing stages to eliminate the intrinsic SPM distortion of the system, further improving performance. (C) 2017 Optical Society of America
引用
收藏
页码：696 / 705
页数：10
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